EP 1580884 A1 20050928 - Dynamic equalizing
Title (en)
Dynamic equalizing
Title (de)
Dynamische Entzerrung
Title (fr)
Egalisation dynamique
Publication
Application
Priority
US 81126604 A 20040326
Abstract (en)
Dynamic equalizing includes level sensing before a manually operated volume control and adjusting the frequency response in response to both the level sensing and the manually set volume control setting.
IPC 1-7
IPC 8 full level
H04R 3/04 (2006.01); G11B 20/10 (2006.01); H03G 9/02 (2006.01)
CPC (source: EP US)
H03G 9/005 (2013.01 - EP US); H03G 9/025 (2013.01 - EP US)
Citation (search report)
- [A] US 2002076072 A1 20020620 - CORNELISSE LEONARD E [CA]
- [A] PATENT ABSTRACTS OF JAPAN vol. 010, no. 179 (E - 414) 24 June 1986 (1986-06-24)
- [A] PATENT ABSTRACTS OF JAPAN vol. 013, no. 551 (E - 857) 8 December 1989 (1989-12-08)
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 1580884 A1 20050928; EP 1580884 B1 20070530; CN 1674451 A 20050928; CN 1674451 B 20100505; DE 602005001217 D1 20070712; DE 602005001217 T2 20080124; HK 1079919 A1 20060413; HK 1079919 B 20100730; JP 2005287012 A 20051013; JP 3146973 U 20081211; US 2005213780 A1 20050929
DOCDB simple family (application)
EP 05101137 A 20050215; CN 200510059263 A 20050325; DE 602005001217 T 20050215; HK 05112190 A 20051230; JP 2005056458 A 20050301; JP 2008006729 U 20080924; US 81126604 A 20040326